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Discussion Starter #1
Hi All ... not a car fanatic, but I really do like my SLK. I drove a CLK320 convertible for about ten years, and gave it to my son when he turned 16 so I'd have an excuse to update. When I was young, I had an MGB and then a Fiat 850 Spider, both of which I enjoyed driving, and I was interested in getting another roadster. I liked the CLK, but the SLK really ups the driving game.

I'm joining the forum in search of some advice, and I've already found something to try. The problem is the COMAND system. About a year ago, I had a problem with it coming on and within maybe 5 or 6 seconds, the controls would lock up. If I switched to the radio immediately on startup, the radio would come on, but then the only control that would work is the volume control. I could switch to the USB right after startup, and the same thing with that; I couldn't switch to the radio or nav or anything. And the system would reboot after about 2 minutes, and keep rebooting at that interval for as long as the car was running. After each reboot, I had that few second interval to change the station, turn the unit off, change modes, etc., then the controls locked up again.

I took it into a dealer, the put their "top guy" on it, and decided the whole thing needed to be replaced. I'd suggested, based on a little research I'd done, that maybe the system needed be reset, but apparently they weren't interested in trying that. Fortunately, I had a third party warrantee on the car, and they sent out a guy to look at the problem before they would approve a claim. He said, "Reset", which they did, and everything worked fine. Until a few days ago. I didn't know what the dealer did to reset the system (using the reset on the system menu doesn't work, as the system always freezes up before a reset happens), and I didn't want to take it back to the dealer because I don't trust them, and they always charge a bundle no matter how little they do. I thought to pull some fuses, and I tried pulling the 11 and 26, left them out for a while, but that made no difference.

I see that doing a reset by disconnecting the neg terminal on the battery has been suggested for some COMAND problems, so I'll try that next.
 

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Administrator 2009 SLK 55 AMG/Founding Member 2006
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97,517 Posts
Welcome to SLKWorld.com: The #1 Mercedes-Benz SLK Forum from Florida!


https://www.mbusa.com/mercedes/service_and_parts/owners_manuals

https://www.mbusa.com/mercedes/service_and_parts/maintenance_manuals

mods you should do:
smarttop

http://www.slkworld.com/general-discussion/121481-what-smarttop-all-members-keep-talking-about.html

Lube those seals:
http://www.slkworld.com/general-discussion/20937-spring-here~gummi-pflege-lube-your-seals-lithium-grease-your-joints-hinges.html#post226839

Your brochure:
http://www.slkworld.com/general-discussion/167265-mercedes-brochure-archive.html#post1511249


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Administrator 2009 SLK 55 AMG/Founding Member 2006
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97,517 Posts
disconnect neg cable for a minimum of 30 minutes
reconnect cable
reset windows, now called synch in r172 and reset clock
see if radio/comand behaves
 

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Super Moderator 2006 SLK 280
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11,118 Posts


Welcome to SLKWorld.com from Northern
California

:burnout::Beer:

List of Useful SLK Links >https://slk-links.neocities.org/Links.html

PARTS Information on Mercedes SLK R170 R171 R172 >https://slk-links.neocities.org/

http://www.slkworld.com/vehicle-data-card/67706-free-how-get-free-datacard.html
<---------------------


We have a free to enter monthly competition.
Entry is open from the 1st to the 15th of every month. You simply post a reply with 3 photos.
After the 15th we usually open a poll for members to vote on their favorite.
Here's the main thread:
<---------------------

ROTM Submissions & Voting - Mercedes
Benz SLK Forum
 

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Super Moderator UK SLK 55 AMG 2007
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28,304 Posts
Quick question
When COMAND starts up what do you see?
Mercedes star, or something else?


I'm wondering if someone played without knowing the possible consequences.
Although this is for the earlier 171 model, it is the sort of thin that I am thinking.
http://www.slkworld.com/amgs/1665-amg-logo-comand-startup-screen.html


Mercedes Benz SLK Forum - Search Results for enabling amg in comand start up




Welcome from Wirral, England.

We have a free to enter monthly competition.
Entry is normally open from the 1st to the 15th of every month. You simply post a reply with 3 photos.
After the 15th we usually open a poll for members to vote on their favourite.
Here's the main thread:
ROTM Submissions & Voting - Mercedes Benz SLK Forum
New members are welcome to enter (and they win too!).


Voting is open for the 2018 March Ride of The Month.
PLEASE NOTE :- Voting closes on 31st March.​




Really useful links (thanks to ixions cataloguing)
http://www.slkworld.com/general-discussion/354330-links-toparts-assemblies-technical-data-locations-parts-slks.html
https://slk-links.neocities.org/ Includes diy videos.

A brief guide to the forum and how to get the best from it:
http://www.slkworld.com/new-members-introduce-yourself-here/439993-new-wondering-what-do.html

There's a link to R170/171/172's do it yourself threads under the pic below.




Some useful tips in this section for new and prospective owners.


Worth knowing are reset adaptive learning, check list, Spring is here and what is the SmartTop.
General Discussion - Mercedes Benz SLK Forum

local threads: U.S. Midwest Region - Mercedes Benz SLK Forum

@i860
@nimbugb
May drop by.
They understand coding, I don't.
 

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Premium Member 2005 SLK55 AMG
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11,405 Posts
Hi and welcome to SLKWorld.com from the UK Midlands - Thanks for joining us and posting an intro! :)
 

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Super Moderator 2010 SLK300 2LOOK
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14,800 Posts
Welcome from Lakeland, Florida.

Hope you get the issue sorted.
 

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Super Moderator CA 2012 SLK55 AMG w/P30
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13,892 Posts
Welcome from Canada :smile:




__________________
Len
 

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Discussion Starter #13
disconnect neg cable for a minimum of 30 minutes
reconnect cable
reset windows, now called synch in r172 and reset clock
see if radio/comand behaves
This is not resetting anything. The clock is advancing while the battery is disconnected. I am disconnecting the negative, not from the battery, but from the block next to the brass post that has the sliding red tab over the positive post.

I wonder if this car has an auxiliary battery that keeps things alive, as there are lights and such on the dash with the battery disconnected and two hours gone by. My car does not have, as far as I know the ECO mode that shuts it down when stopped, and my impression was that there was an aux battery to support that function and that I would not have one. But there's power coming from somewhere, so it's apparent that I do.
 

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Administrator 2009 SLK 55 AMG/Founding Member 2006
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97,517 Posts
I believe that post is just for jumping the car
therefore if the battery still has pos n neg still connected you have not disconnected anything :D

and yes, you might have an aux battery

disconnect the neg from battery and see if clock moves or not

I'll wait :D
 

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Premium Member 2009 SLK55 AMG
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12,071 Posts
Welcome from the Sacramento Valley SLK Enthusiasts!
 
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